# Relationship history for MSHA mine 3608813

Current hierarchy: **Crow's Nest Capital Corp → Crow's Nest Synfuels, L. P. → Crow's Nest**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **operator_operates_mine:** Crow's Nest Synfuels, L. P. → Crow's Nest; 1999-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Crow's Nest Capital Corp → Crow's Nest; 1999-09-01 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Crow's Nest Capital Corp → Crow's Nest Synfuels, L. P.; 1999-09-01 to current/open; source msha-controller-operator-history